13th Volume in this Xenakis Edition which includes the completely stunning Palimpsest, for piano & ensemble, Echange, for bass-clarinet & ensemble, Akanthos, for soprano & ensemble, a very solid Thalle´n (for 16 instruments) and the rock and roll O-Mega for percussion and ensemble (1997). Plus the premiere recording of Zythos, for trombone & 6 marimbas.